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升级   52% TA的每日心情 | 开心 2012-1-13 11:05 |
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签到天数: 15 天 [LV.4]偶尔看看III
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对着S4群表看下面就能懂了,我曾把26字母乘群表带身上2月多' ?! |$ a# Y/ Q- V5 P% I. m
; l. J4 V8 d9 }5 jS4 := Sym({ "a", "b", "c", "d" });# i) l* a% }3 \) e
> S4;9 R o3 @: E' o
Generators(S4); v4 R% j0 z$ y9 M
IsAbelian(S4);不是交换群5 k+ s' J( G( p7 g9 e# y; H
Subgroups(S4: Al := "All") ;列出所有子群3 B, j2 D; m6 \2 u0 l
Subgroups(S4: Al := "Maximal") ;列出所有极大子群
! S( r7 k; L1 ?7 i% _1 A+ t
8 g* V* _' |' P* E! c/ n; XSubgroupClasses(S4);* K& l% y% s. }
$ l. a& K$ \9 s) rNormalSubgroups(S4);; m" f" H1 O1 H/ W; M, B1 b
AbelianSubgroups(S4) ;
* C4 r3 r! c5 g; wMaximalSubgroups(S4) ;
8 W q& h& ?6 l0 U& U
; \. J: {5 C! B3 }) FSubgroupLattice(S4);成格,你可画下这群包扩子群的图
4 g+ i, g& h. j. t4 Q, M5 y5 R- k$ K3 r+ I8 X7 |" R
GSet(S4);
" r( i8 K/ A8 G& FConjugacyClasses(S4);
4 J" C) n$ B! PNumberOfClasses(S4) ; 5类3 }' ?7 x( G; B3 E5 h% T' K5 x
+ j1 M3 [) K- |# [Symmetric group S4 acting on a set of cardinality 46 {; o9 |9 I* {
Order = 24 = 2^3 * 35 ?! l9 t. e$ f# T
{0 ]" N0 T! J8 p4 h
(c, b, a, d),
# \6 w# g7 Q, W' ]: d, C (c, b)5 z* T0 C! ^# U- \
} 两生成元
& K8 m9 D" ^! @9 Kfalse/ U8 A% l. g3 V# ]: Y6 S/ N: }% T
Conjugacy classes of subgroups 子群共扼类
) Y! n8 }- F/ }5 w C6 c+ R------------------------------
! z- @- k( X5 v n- Z$ _
) m9 \, T; \6 X+ {- x1 P+ R9 P[ 1] Order 1 Length 1
# e7 F4 h- \* M8 p! L0 b6 { Permutation group acting on a set of cardinality 4- w9 S0 V, s, g" x0 _0 b3 g
Order = 1" q* \. _, R' c% E6 q; q0 _' a
[ 2] Order 2 Length 3
4 C% Y- \2 c3 a# r& G% l; z) Y Permutation group acting on a set of cardinality 4
# q; |) s0 c4 ^# J: b- M4 m Order = 22 E4 v) N% P; n9 E/ m, c9 h
(c, d)(b, a)
8 ^, w- d5 d& }% x. B4 Q3 ^[ 3] Order 2 Length 6* z+ o* d% ^& Q$ c, C
Permutation group acting on a set of cardinality 4
6 U4 L8 z0 V' {2 v5 V6 T Order = 21 }( ^8 \$ Q" Z* J
(a, d). r! E& ~( {, ?; c' l9 A
[ 4] Order 3 Length 44 v( G7 ^6 m! p7 k R3 \ Y8 u% Y
Permutation group acting on a set of cardinality 40 @( B- w7 U8 G7 X! J
Order = 3 q6 _7 [5 q2 G/ f. [
(b, a, d)% k& ~% ^7 l5 O X, J: Q
[ 5] Order 4 Length 1) s8 k$ o( {$ K! G) B$ H
Permutation group acting on a set of cardinality 46 J' V% W6 l H
Order = 4 = 2^2
. f4 C7 C8 c$ D/ [ (c, d)(b, a)
5 K5 |& I9 z% D- d, a* y (c, a)(b, d)
' h8 C7 B* ~* m; f9 F) j[ 6] Order 4 Length 34 q# [* G8 X; j& X% G7 o9 A" Z% K
Permutation group acting on a set of cardinality 4
! Z1 _! u2 k/ m Order = 4 = 2^2 n; U5 R& i/ V" Z4 v. v
(c, d, b, a)7 r& ?, Z4 \" v$ v: `) {
(c, b)(a, d)
7 h$ ~3 _0 B# T3 C, R# \+ q[ 7] Order 4 Length 3
3 z. l7 @4 N/ O! C1 }2 m0 w) A) S Permutation group acting on a set of cardinality 4
! b ]/ z6 A, a1 U( j3 j3 M Order = 4 = 2^2
9 J/ v; Z) `" c4 j (a, d)
' D$ u4 B' r1 r/ o8 Q+ _ (c, b)(a, d)
6 o$ @: B* Z: B6 m[ 8] Order 6 Length 4; P2 Q9 @1 J M7 C1 V( s. I% a
Permutation group acting on a set of cardinality 4
( t. M$ Y' d K5 V3 q% q, N: E2 P% G Order = 6 = 2 * 3# ?5 e, \7 D( X
(a, d)
8 M% X9 X8 t* E8 S* a& _) A" ] (b, a, d)" m; o: Y2 I2 `4 C" |1 I' C
[ 9] Order 8 Length 3; y% A. f/ q% M3 ~6 T
Permutation group acting on a set of cardinality 4
1 T% r: ^- V, M Order = 8 = 2^3/ u2 \" L! K* Q5 k- U
(a, d)
6 d- ]3 ?8 a" z1 d (c, d)(b, a)
) ^, P8 N$ J# g (c, a)(b, d)( [& J: q) Y8 q/ K3 W) T
[10] Order 12 Length 1
8 C) [) M* C9 G) P) M Permutation group acting on a set of cardinality 4& M R, v: d- l! E
Order = 12 = 2^2 * 3% g e7 X4 S+ m1 A% b) |4 D
(b, a, d)
5 t! j- k, x8 Y2 |! Y (c, d)(b, a)# v! e. ]" p# c% t4 u3 K7 Y
(c, a)(b, d)
; X; O+ s$ |+ ?& Z5 v8 }[11] Order 24 Length 1) K& S/ T3 h# f2 a
Permutation group acting on a set of cardinality 4* s x$ t/ H' u) S7 S( p4 E X( N
Order = 24 = 2^3 * 3
4 X; }5 g- z. y" t9 _" y" ?7 K (a, d)
; V3 d n* w1 w7 r) @ (b, a, d)7 }8 K3 ~; k& |" r& [: }* ^3 W- ^
(c, d)(b, a)4 F8 F( t# D3 E. j) k6 _
(c, a)(b, d)6 {/ b; L. v9 I0 h. Y: A& u
Conjugacy classes of subgroups; X, x8 K& ^# h' _6 n
------------------------------
) u' ]# h4 m6 l# I# n( l: U& `0 i8 P3 h) \3 I* E
[1] Order 6 Length 4, j* a4 W0 E) w$ V7 Y* u) T$ v- I" e
Permutation group acting on a set of cardinality 4' S9 M, Z# D2 ^) Y$ U& k, N
Order = 6 = 2 * 3
8 h9 @0 G$ q! Y5 h- T' i (a, d)( M* s, U! U2 N! }
(b, a, d)
# n( C B/ t* z9 E; s[2] Order 8 Length 34 g3 o! R0 Q7 B( A
Permutation group acting on a set of cardinality 4+ L) f2 H4 R: S- `( s
Order = 8 = 2^3
9 i c, F" b6 r& W& p7 R% }' d (a, d)0 d" w2 ^* P4 U& g
(c, d)(b, a)
; S8 {/ Q( Y9 J# f (c, a)(b, d)
0 O7 m% f/ u& Y( Z0 c! A[3] Order 12 Length 12 i+ r3 x; f' v: k
Permutation group acting on a set of cardinality 4
# o r9 q8 c. V& E Order = 12 = 2^2 * 3
/ @4 N5 L0 ]+ p: Z9 c1 V (b, a, d)+ ~6 v% z w7 W* u6 y
(c, d)(b, a)
: D% p3 L, `+ l2 K/ D (c, a)(b, d)9 f! X8 ]3 H" `5 D: \ p
Conjugacy classes of subgroups% ?8 z8 d' s: a1 W0 p
------------------------------6 I! {3 b& H5 h* z% |
; t( e W* S$ z' t2 E
[ 1] Order 1 Length 1) X$ L8 t4 `7 X
Permutation group acting on a set of cardinality 4
3 r" v9 z* G4 B. M Order = 1
4 f U" T9 O' W, G[ 2] Order 2 Length 3
, P! z2 Z6 x0 d l$ X. e4 Z Permutation group acting on a set of cardinality 4' W% N$ m. \; u3 F* _* X9 \8 K
Order = 2; P; j5 U7 O( n; U. x q
(c, d)(b, a) f& g6 S* J1 e+ {
[ 3] Order 2 Length 6
6 h$ r( r0 T" { Permutation group acting on a set of cardinality 48 _2 P3 D" b; R3 H+ u7 l, r
Order = 2
3 a7 g! D7 D- ^. z1 f (a, d)& q7 `% u4 g1 f+ z! D; M
[ 4] Order 3 Length 4* E* r& i1 q: ~$ b
Permutation group acting on a set of cardinality 4
7 y4 Z! ]/ d9 r7 Y. h- d Order = 3
% F; p- A0 M: s (b, a, d)
$ `( ~* Z2 [2 T& l$ G[ 5] Order 4 Length 1
2 c% S3 o' b8 Y Permutation group acting on a set of cardinality 4
* g6 X: Z, w C( i% x Order = 4 = 2^2) I- I) K7 }3 P, Z0 @5 I
(c, d)(b, a)3 w$ i. {9 X' {* F' \( [
(c, a)(b, d)
* p9 I, p/ v/ Z& k# a3 h$ d0 u4 S[ 6] Order 4 Length 3
2 k: j4 ?: A2 Q Permutation group acting on a set of cardinality 40 L6 J4 X% C) H" k* h& O/ ?6 F
Order = 4 = 2^2
$ Y1 w3 C- @8 Q B, M J (c, d, b, a)
5 ?, J% z$ A0 f" I- y (c, b)(a, d)( _) ?: P W1 ? c0 _" {
[ 7] Order 4 Length 39 C0 U2 K6 ?" s9 U
Permutation group acting on a set of cardinality 4! D! i6 q S0 m$ g& g
Order = 4 = 2^2
: ~5 R+ S: w, `' U (a, d)
1 r8 C* ~- u1 p+ [+ r T# t (c, b)(a, d)
! {8 K- g) `' t2 X[ 8] Order 6 Length 4/ c* K" K: Z, m5 X
Permutation group acting on a set of cardinality 4
) @! f( i3 U2 h9 g. ~4 y$ I. D8 _5 S Order = 6 = 2 * 3# n( v4 U2 U; ~0 ~7 p' Z. I
(a, d)
1 i! |; n4 W* R/ c) A (b, a, d)
O1 c& d/ j+ R& h+ r) n2 U[ 9] Order 8 Length 3+ J# m4 P0 J& x7 N" W
Permutation group acting on a set of cardinality 4! E; Q9 F6 b W
Order = 8 = 2^3
$ N3 P" i [+ g3 d! _; M% H3 b# y* X6 r (a, d)
' e: h$ C7 d3 k3 d: n (c, d)(b, a)
3 C2 a: I6 I3 R& i4 G' y: U (c, a)(b, d)$ [8 R* G" R$ `
[10] Order 12 Length 1
% [% H, Q7 [" s- Y1 u5 J y Permutation group acting on a set of cardinality 4( l. x. Z( O- G$ u N$ f
Order = 12 = 2^2 * 3
& Y8 [) @( O2 Q5 h i. G (b, a, d)
6 q. n& a% R3 D9 D0 Q (c, d)(b, a): K& G' t4 \8 h" C# s& o8 X0 t
(c, a)(b, d)
9 X8 l6 x6 I# U2 |6 Z6 m* M( v[11] Order 24 Length 1" Q% Q% z9 J9 s" Q- u! |4 ~
Permutation group acting on a set of cardinality 4. C( S" v6 _' h% H
Order = 24 = 2^3 * 3$ [) \* w( B* V, w& e: u
(a, d)! z' {& a+ d, p3 Z, L6 D
(b, a, d)6 p, ~0 D5 W, `) e! N% L* }4 x
(c, d)(b, a)
4 F' @: p V# u( W( r (c, a)(b, d), c( _* E7 g2 a; M* [5 @/ Q
Conjugacy classes of subgroups
' ~; b+ \; \% ?- j' K------------------------------% o6 O% ~9 i& G' G
2 B7 S. w q/ W. r1 i& ~8 x[1] Order 1 Length 1$ S* \% K. K s# U' Q
Permutation group acting on a set of cardinality 47 B( Q% S7 P2 q' N6 s0 P: u: ^6 D
Order = 1: F Q6 P1 T, ^8 B: K+ {6 u/ ~+ b
[2] Order 4 Length 1: S9 i( I6 z5 F$ h
Permutation group acting on a set of cardinality 4
+ E: p# J4 b4 V! R% k Order = 4 = 2^2
0 G3 s2 G7 R% B# |9 G (c, d)(b, a)
/ q$ S6 H5 J, I0 ~ i5 s (c, a)(b, d)7 R5 T, o z+ N' m* M/ }: i9 ?# o
[3] Order 12 Length 1; G6 |0 |) F7 j$ l
Permutation group acting on a set of cardinality 4
2 Y7 F- q) N t" o0 j9 o Order = 12 = 2^2 * 3
7 V" S. ^7 D" T9 t8 g- U1 E [ (b, a, d)# |) _+ @, c( _
(c, d)(b, a), j9 H' Y7 A8 U) c# a
(c, a)(b, d)8 d7 S) A0 t+ J E2 D( w
[4] Order 24 Length 1" q% A4 ^* v" P H, n, D
Permutation group acting on a set of cardinality 4) t O2 g6 n4 f! o8 ]& ?' ^
Order = 24 = 2^3 * 3
( E& o! T7 G" a: J" Z: n4 N (a, d)
: U5 I" p$ V; @1 Z' M3 t (b, a, d)9 A0 q- u/ D0 [/ U$ e+ U4 `3 L
(c, d)(b, a)& }% s4 T5 `/ Y% _; |* [
(c, a)(b, d)3 ?& S7 P2 S+ r, ]. H& _
Conjugacy classes of subgroups
7 T U! i! y" c/ {* Z2 [------------------------------
' `) u8 X7 o1 I# |9 B
5 n. R& q# a W. D2 E( C[1] Order 1 Length 18 `8 l( f, ^8 I4 B8 o
Permutation group acting on a set of cardinality 4: M( T- S) A' ]( W6 I1 h
Order = 14 ^8 @8 z" z' Y% X$ M: h
[2] Order 2 Length 3: d- d, j+ c/ M5 S4 L1 a/ k
Permutation group acting on a set of cardinality 4
. e4 c9 P+ {9 s Order = 2; T( {% J3 c O/ C: g
(c, d)(b, a)/ a9 [. W8 ^, X5 N/ c0 J
[3] Order 2 Length 6- W! ~! ~( C8 v3 }* J; Q
Permutation group acting on a set of cardinality 4# n3 s4 ~" {" O
Order = 26 E4 H! P3 @4 r' w3 @
(a, d)
' B8 g2 x, h; Z/ U9 X[4] Order 3 Length 4& F6 n4 D( t: l1 c. n0 }3 ]% z
Permutation group acting on a set of cardinality 4# f6 H% r4 J5 T& t0 ]
Order = 3) l/ p/ Q+ v5 f N h! Y0 v% \5 l% M
(b, a, d)# Y4 D2 y2 ?0 \2 j& Y# ^+ B9 A3 \8 m
[5] Order 4 Length 1
% f( f: ?4 q: `; W Permutation group acting on a set of cardinality 4
' _6 o& w0 Y$ P, I# ? Order = 4 = 2^2
4 F7 J" d+ k" H (c, d)(b, a)$ r! o/ F- n" h( H' X
(c, a)(b, d)& N6 G6 ?4 d) V U% o
[6] Order 4 Length 3
- F+ w( L+ [" Q$ v Permutation group acting on a set of cardinality 4' [5 j, D; P' f
Order = 4 = 2^2( P# | p. N1 g9 H, Q0 D
(c, d, b, a)7 K$ E. u0 v& V! ~
(c, b)(a, d)2 p' @* b0 l- ]7 u) M) D" M
[7] Order 4 Length 3( t" ^0 g. B9 f: Z5 }5 M. Q: e7 C! O
Permutation group acting on a set of cardinality 4% j: G( a; E- B7 f2 _4 {6 n3 o# r# u
Order = 4 = 2^2
+ N% t1 [& f! |/ W: R$ i/ s% c% r (a, d)
7 m8 g. i6 W. z/ E7 m7 i6 p; v (c, b)(a, d)
5 G- Q& y9 W& p& m- [) ?" L mConjugacy classes of subgroups: G! p- A# M6 G6 Z
------------------------------4 c4 j" s0 O# p0 B# J% `) X
- t, T! G; ]8 w. w: u1 y
[1] Order 6 Length 4
* f/ t2 p$ ]6 N# n; g9 |/ \3 U Permutation group acting on a set of cardinality 4! W$ b5 W3 ]* N
Order = 6 = 2 * 33 d7 I }# m( z$ h
(a, d). Y. G8 n) S N3 T9 V! B1 c
(b, a, d)
& f' ]% n" V1 g# X0 X' ^. q! J6 Q[2] Order 8 Length 3- K2 m" v" P$ m, k2 Y
Permutation group acting on a set of cardinality 4* N: P2 W! a7 ]
Order = 8 = 2^3
" [- U) ^5 \5 K' R) H (a, d)
5 ]) e% W! y* |$ M$ h (c, d)(b, a)
5 c/ x4 W- B% v" c9 O (c, a)(b, d)
E( h: i$ C/ b, X* j+ z[3] Order 12 Length 1
5 s5 b) l9 |9 v Permutation group acting on a set of cardinality 4
Y1 p% J2 b3 i! F7 b! g Order = 12 = 2^2 * 3
! e& A7 ?2 R* ^6 f/ j, G (b, a, d)8 b, S, v$ y3 l- m
(c, d)(b, a)( E5 d# w* n1 L, j
(c, a)(b, d); n, e1 ^% Z) O+ o! D& v
r% }$ h& n6 ~3 T+ G t( FPartially ordered set of subgroup classes; w/ y( q* C. u% B
-----------------------------------------
4 k/ z2 o; f1 O9 X+ S
3 H1 U9 c' P$ \[11] Order 24 Length 1 Maximal Subgroups: 8 9 10
3 z. _" a) Q- I4 Z% Y* J. b---
7 u4 Z. o8 M. x' L5 e/ V' f[10] Order 12 Length 1 Maximal Subgroups: 4 5/ r* }" `) E/ v! s) }
[ 9] Order 8 Length 3 Maximal Subgroups: 5 6 7; n( O* W i+ w
---
: i( N, { [! n[ 8] Order 6 Length 4 Maximal Subgroups: 3 4
% {) C9 M" F5 o. m[ 7] Order 4 Length 3 Maximal Subgroups: 20 j8 {% E$ z, [8 i9 `
[ 6] Order 4 Length 3 Maximal Subgroups: 2 3; ^1 P% ~' \. J5 r2 _8 d" J
[ 5] Order 4 Length 1 Maximal Subgroups: 2
- n8 X% a+ |* Q. F6 ^---
. \: a" z/ B3 _. F[ 4] Order 3 Length 4 Maximal Subgroups: 17 r" {1 ]4 T; c! r: |; E$ x
[ 3] Order 2 Length 6 Maximal Subgroups: 1! x; w1 J8 s5 m+ Y" c0 Q
[ 2] Order 2 Length 3 Maximal Subgroups: 1
3 X8 d6 X7 c! u0 w- `. ]---
# u: V, G1 m" j" c* R[ 1] Order 1 Length 1 Maximal Subgroups:$ @* ~* I1 K: H6 P
X/ f6 b8 J1 ]4 v& P4 |GSet{@ c, b, a, d @}, w2 W ]9 q5 U$ Q
Conjugacy Classes of group S42 u/ P9 c: _1 M
----------------------------- g2 p0 H2 ]% W
[1] Order 1 Length 1
$ o" E- G3 n" a$ P3 l9 K! \ Rep Id(S4)
6 z& G' w+ F# \* C U( i& o7 S' T" B
[2] Order 2 Length 3
; c) c( F4 o5 W( }$ P' \ Rep (c, b)(a, d)( d1 L1 i# y( F0 S0 o6 T" j0 ^
4 E9 l C* c* ?6 @: V! d. w4 L+ X[3] Order 2 Length 6 , O' Q0 k+ e1 H% N1 y/ G
Rep (c, b)
* B5 ]9 ~2 w1 e4 z! P9 `7 Y
" ^8 o4 y3 o, S[4] Order 3 Length 8 " Z, k; }. E6 k, G- g4 Z K, M' o4 S
Rep (c, b, a)
. u. R' Z5 E' q& P- H) ^8 ?$ @$ @3 {/ u4 ~
[5] Order 4 Length 6
# ]* f8 o4 }9 @# S Rep (c, b, a, d)
' r7 W8 t( L) q/ J0 @4 T
8 `3 C" @6 D$ J C4 A3 W$ w5 d, e7 w. e9 p) n$ H7 P" ~
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